Karteikarten
Mining methods and environmental impacts: key terms
Karten in diesem Stapel (11)
- 1tailingore left overs after a metal has been extracted
- 2surface impoundmentslarge reservoirs, where tailings are stored
- 3strip miningremoval of layers of soil and rock to expose the resource just below the surface
- 4subsurface miningunderground work
- 5acid drainagesulfide in newly exposed rock reacts to oxygen and rainwater
- 6open pit miningcreates immense holes,digging holes and removing the desired ore, along with the waste rock surrounding the ore
- 7mountaintop removal mininghundred of feet of mountaintops removed to allow recovery of entire seams of resource
- 8reclamation"to restore the site" to a condition similar to its condition before mining
- 9mass wastingthe down slope movement of soils and rocks due to gravity
- 10mudslidessoil, rock and water movement caused by saturated soil from heavy rains
- 11laharsextremely dangerous mudslides caused when volcanic eruptions melt snow
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- Karteikarten am Ohne Titel, erstellt von aej53099 am 24/03/2015.
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